%0 Journal Article
%A Olga Taussky
%T Norms from Quadratic Fields and Their Relation to Noncommuting 2 x 2 Matrices III. A Link between the 4-rank of the Ideal Class Groups in...(..m) and in ...(...-m).
%J Mathematische Zeitschrift
%D 1977
%P 91-96
%V 154
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MZ_1977__154_172512/
%F MZ_1977__154_172512